These were intended to be free and include display, help, and proofing tools. However, the direct official download for the 2013 Croatian LAP is no longer actively hosted on the main Microsoft Support page Service Pack 1 (SP1) for Language Packs: Microsoft still hosts the Service Pack 1 for the Office 2013 Language Pack in both 32-bit (KB2817427) 64-bit (KB2817427)
Without the pack, you might type in Croatian perfectly, but the software interface remains foreign. The free pack bridges this gap. microsoft office 2013 croatian language pack free
This updates your Office 2013 to include the Croatian interface, menus, and help content. Download Croatian 32-bit (x86) 2. Croatian Proofing Tools These were intended to be free and include